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NDC: 720

This is the National Destination Code(NDC):720 page list. Its detail is as below.
Area code 720 was first put in service June 1, 1998. Currently, the largest city it serves is Denver, CO, and it overlaps coverage areas with area code 303.
Prefix State Primary city Usage Carrier
(720) 301- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 302- Colorado Denver Landline Teleport Communications America
(720) 304- Colorado Denver Landline Qwest Corporation
(720) 305- Colorado Denver Landline Tw Telecom Of Colorado LLC
(720) 306- Colorado Denver Landline Eschelon Telecom Of Colorado
(720) 307- Colorado Lyons Landline AT&T Local
(720) 308- Colorado Denver Landline New Cingular Wireless PCS
(720) 309- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 310- Colorado Lyons Landline Teleport Communications America
(720) 312- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 313- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 314- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 315- Colorado Denver Landline 360networks (usa) Inc.
(720) 316- Colorado Denver Landline Bandwidth.com Clec
(720) 317- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 318- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 319- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 320- Colorado Denver Wireless New Cingular Wireless PCS
(720) 321- Colorado Denver Landline Qwest Corporation
(720) 322- Colorado Denver Landline Qwest Corporation
(720) 323- Colorado Denver Wireless T-mobile Usa
(720) 324- Colorado Aurora Landline Comcast Phone Of Colorado
(720) 325- Colorado Aurora Wireless T-mobile Usa
(720) 326- Colorado Denver Wireless New Cingular Wireless PCS
(720) 327- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 328- Colorado Denver Landline Comcast Phone Of Colorado
(720) 329- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 330- Colorado Denver Landline Icg Telecom Group
(720) 331- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 332- Colorado Denver Landline Mcimetro Access Transmission Services LLC
(720) 333- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 334- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 335- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 336- Colorado Keenesburg Landline Bandwidth.com Clec
(720) 337- Colorado Denver Landline Qwest Corporation
(720) 338- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 339- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 340- Colorado Longmont Wireless Cellco Partnership DBA Verizon Wireless
(720) 341- Colorado Denver Wireless T-mobile Usa
(720) 342- Colorado Denver Landline AT&T Local
(720) 343- Colorado Aurora Landline Level 3 Communications
(720) 344- Colorado Littleton Landline Qwest Corporation
(720) 345- Colorado Denver Landline Zippytech Incorporated
(720) 346- Colorado Denver Landline Cellco Partnership DBA Verizon Wireless
(720) 347- Colorado Denver Landline Tw Telecom Of Colorado LLC
(720) 348- Colorado Littleton Landline Qwest Corporation
(720) 349- Colorado Denver Landline AT&T Local
(720) 350- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 351- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 352- Colorado Denver Wireless T-mobile Usa
(720) 353- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 354- Colorado Denver Landline Tw Telecom Of Colorado LLC
(720) 355- Colorado Denver Wireless Cellco Partnership DBA Verizon Wireless
(720) 356- Colorado Denver Landline AT&T Local
(720) 357- Colorado Denver Wireless New Cingular Wireless PCS
(720) 358- Colorado Hudson Landline Mcimetro Access Transmission Services LLC
(720) 359- Colorado Denver Landline Qwest Corporation
(720) 360- Colorado Denver Wireless New Cingular Wireless PCS
(720) 361- Colorado Denver Landline Eschelon Telecom Of Colorado
(720) 362- Colorado Denver Landline Qwest Corporation
(720) 363- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 364- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 365- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 366- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 367- Colorado Englewood Landline Xo Colorado
(720) 368- Colorado Englewood Landline Xo Colorado
(720) 369- Colorado Denver Wireless New Cingular Wireless PCS
(720) 370- Colorado Denver Landline Bandwidth.com Clec
(720) 371- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 372- Colorado Aurora Wireless T-mobile Usa
(720) 373- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 374- Colorado Denver Landline Qwest Corporation
(720) 375- Colorado Denver Wireless Commnet Wireless
(720) 376- Colorado Denver Landline Eschelon Telecom Of Colorado
(720) 377- Colorado Denver Landline Xo Colorado
(720) 378- Colorado Longmont Wireless New Cingular Wireless PCS
(720) 379- Colorado Denver Landline Icg Telecom Group
(720) 380- Colorado Denver Wireless Sprint Spectrum L.p.
(720) 381- Colorado Denver Landline Comcast Phone Of Colorado
(720) 382- Colorado Denver Landline Eschelon Telecom Of Colorado
(720) 383- Colorado Fort Lupton Wireless Cellco Partnership DBA Verizon Wireless
(720) 384- Colorado Denver Landline Xo Colorado
(720) 385- Colorado Denver Landline Xo Colorado
(720) 386- Colorado Idaho Springs Landline Bandwidth.com Clec
(720) 387- Colorado Denver Landline Tw Telecom Of Colorado LLC
(720) 388- Colorado Aurora Wireless Cellco Partnership DBA Verizon Wireless
(720) 389- Colorado Denver Landline Xo Colorado
(720) 390- Colorado Denver Landline Iloka DBA Newcloud Networks
(720) 391- Colorado Denver Wireless Cellco Partnership DBA Verizon Wireless
(720) 392- Colorado Deer Trail Landline Ymax Communications Corp.
(720) 393- Colorado Denver Landline Tw Telecom Of Colorado LLC
(720) 394- Colorado Denver Wireless T-mobile Usa
(720) 395- Colorado Denver Landline AT&T Local
(720) 396- Colorado Denver Landline AT&T Local
(720) 397- Colorado Denver Landline AT&T Local
(720) 398- Colorado Denver Wireless Leap Wireless Intl DBA Cricket Comm
(720) 399- Colorado Denver Landline Level 3 Communications
(720) 400- Colorado Englewood Wireless T-mobile Usa
(720) 401- Colorado Denver Wireless T-mobile Usa
(720) 402- Colorado Denver Landline Eschelon Telecom Of Colorado